Home / 389,522,897,809.92-583,876,549,892.05-163,012,128,075.81

Finding the Fourth Proportional to 389,522,897,809.92, 583,876,549,892.05 and 163,012,128,075.81

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Solution

The fourth proportional to 389,522,897,809.92, 583,876,549,892.05 and 163,012,128,075.81 is: 244,347,532,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,522,897,809.92 : 583,876,549,892.05 = 163,012,128,075.81 : x
  2. Step 2: Convert to fraction form
    389,522,897,809.92/583,876,549,892.05 = 163,012,128,075.81/x
  3. Step 3: Cross multiply
    389,522,897,809.92x = 583,876,549,892.05 × 163,012,128,075.81
  4. Step 4: Simplify right side
    389,522,897,809.92x = 95,178,958,931,464,929,935,360
  5. Step 5: Solve for x
    x = 95,178,958,931,464,929,935,360/389,522,897,809.92
  6. Step 6: Final answer
    x = 244,347,532,498.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.